diff --git a/.changeset/pink-mayflies-sparkle.md b/.changeset/pink-mayflies-sparkle.md
new file mode 100644
index 00000000..b016b402
--- /dev/null
+++ b/.changeset/pink-mayflies-sparkle.md
@@ -0,0 +1,5 @@
+---
+"permissionless": patch
+---
+
+Added decodeNonce util function
diff --git a/packages/permissionless/utils/decodeNonce.test.ts b/packages/permissionless/utils/decodeNonce.test.ts
new file mode 100644
index 00000000..d15fc0d6
--- /dev/null
+++ b/packages/permissionless/utils/decodeNonce.test.ts
@@ -0,0 +1,40 @@
+import { describe, expect, test } from "vitest"
+import { decodeNonce, encodeNonce } from "./index"
+
+describe("decodeNonce", () => {
+    test("should encode key and sequence correctly", async () => {
+        const key = 123456789012345678901234n
+        const sequence = 9876543210n
+
+        const result = encodeNonce({ key, sequence })
+
+        const decodedNonce = decodeNonce(result)
+
+        expect(decodedNonce.key).toBe(key)
+        expect(decodedNonce.sequence).toBe(sequence)
+    })
+
+    test("should handle zero values correctly", () => {
+        const key = BigInt(0)
+        const sequence = BigInt(0)
+
+        const result = encodeNonce({ key, sequence })
+
+        const decodedNonce = decodeNonce(result)
+
+        expect(decodedNonce.key).toBe(key)
+        expect(decodedNonce.sequence).toBe(sequence)
+    })
+
+    test("should handle large values correctly", () => {
+        const key = BigInt("0xFFFFFFFFFFFFFFFFFFFFFFFF")
+        const sequence = BigInt("0xFFFFFFFF")
+
+        const result = encodeNonce({ key, sequence })
+
+        const decodedNonce = decodeNonce(result)
+
+        expect(decodedNonce.key).toBe(key)
+        expect(decodedNonce.sequence).toBe(sequence)
+    })
+})
diff --git a/packages/permissionless/utils/decodeNonce.ts b/packages/permissionless/utils/decodeNonce.ts
new file mode 100644
index 00000000..e38a9e39
--- /dev/null
+++ b/packages/permissionless/utils/decodeNonce.ts
@@ -0,0 +1,10 @@
+import { toHex } from "viem"
+
+export function decodeNonce(nonce: bigint): { key: bigint; sequence: bigint } {
+    const parsedNonce = BigInt(toHex(nonce, { size: 32 }))
+
+    const key = parsedNonce >> BigInt(64)
+    const sequence = parsedNonce & BigInt("0xFFFFFFFFFFFFFFFF")
+
+    return { key, sequence }
+}
diff --git a/packages/permissionless/utils/encodeNonce.test.ts b/packages/permissionless/utils/encodeNonce.test.ts
index f3214f2e..7d2cc099 100644
--- a/packages/permissionless/utils/encodeNonce.test.ts
+++ b/packages/permissionless/utils/encodeNonce.test.ts
@@ -1,6 +1,6 @@
-import { encodeNonce } from "permissionless/utils"
 import { toHex } from "viem"
 import { describe, expect, test } from "vitest"
+import { encodeNonce } from "./index"
 
 describe("encodeNonce", () => {
     test("should encode key and sequence correctly", async () => {
diff --git a/packages/permissionless/utils/index.ts b/packages/permissionless/utils/index.ts
index ef3fee6a..55b42674 100644
--- a/packages/permissionless/utils/index.ts
+++ b/packages/permissionless/utils/index.ts
@@ -23,6 +23,7 @@ export function parseAccount(account: Address | Account): Account {
         return { address: account, type: "json-rpc" }
     return account
 }
+import { decodeNonce } from "./decodeNonce"
 import { encodeNonce } from "./encodeNonce"
 import {
     ENTRYPOINT_ADDRESS_V06,
@@ -49,6 +50,7 @@ export {
     getPackedUserOperation,
     getEntryPointVersion,
     encodeNonce,
+    decodeNonce,
     ENTRYPOINT_ADDRESS_V06,
     ENTRYPOINT_ADDRESS_V07
 }